Which resets first, CBOY or CBXY?

CBOY ends its outcome period on Jul 31, 2027 and CBXY on Jul 31, 2027. A new cap is set the day after each.

Which is cheaper, CBOY or CBXY?

CBOY charges 0.69% a year and CBXY charges 0.69%, so CBOY is cheaper. Fees come from each fund's prospectus.

CBOY vs CBXY: which one stands where?

As of Oct 1, 2026 CBXY can fall 17.6% before its buffer engages and CBOY 3.0%. Calamos Bitcoin Structured Alt Protection ETF - July and Calamos Bitcoin 90 Series Structured Alt Protection ETF - July.

CBOYAt its cap

CBOY: reference +34.9% since period start, fund +3.0%; buffer −0 to floor; cap +9.8%; At its cap.

CBXYAt its cap

CBXY: reference +34.9% since period start, fund +9.1%; buffer −10 to floor; cap +23.1%; At its cap.

Both are already at their cap, so neither gains from more rise in the index before the period ends.

Both are Calamos funds, so the difference between them is the terms rather than the house.

Where each one stands today

CBOY resets first, on Jul 31, 2027, 303 days from now; CBXY runs to Jul 31, 2027, 303 days. A fall from here reaches CBOY’s buffer after 3.0% and CBXY’s after 17.6%. Both track Bitcoin, so what separates them is where each is in its own period.

Every figure is ETFIQ’s own, from the issuer’s published outcome-period terms. A buffer ETF holds FLEX options on its reference index rather than shares, so there is no holdings overlap between two of them to report.

Performance, window by window

	Total return		Gap to the reference
Window	CBOY	CBXY	CBOY	CBXY
3 months	+3.0%	+9.4%	not available	not available
6 months	+3.7%	+9.5%	not available	not available
1 year	+0.6%	−5.0%	not available	not available

CBOY and CBXY over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

CBOY

Calamos Bitcoin Structured Alt Protection ETF - July · Absorbs losses from 0.1% to 100.0% on Bitcoin and caps the gain at 9.8%, over a period ending Jul 31, 2027

CBXY

Calamos Bitcoin 90 Series Structured Alt Protection ETF - July · Absorbs losses from 10.1% to 100.0% on Bitcoin and caps the gain at 23.1%, over a period ending Jul 31, 2027

Issuer Calamos Calamos

Reference index Bitcoin Bitcoin

Buffer 0% to 100% 10% to 100%

Outcome period Jul 8, 2026 to Jul 31, 2027 Jul 8, 2026 to Jul 31, 2027

Days left 303 303

Starting cap +9.8% +23.1%

Can still gain not published not published

Fall before buffer 3.0% 17.6%

Protection left, index points 99.9% of 99.9% 89.9% of 89.9%

Index return this period +34.9% +34.9%

Fund return this period +3.0% +9.1%

State today At cap At cap

Expense ratio 0.69% 0.69%

Net assets $5m $6m

CBOY and CBXY on the same fields, as of Oct 1, 2026. Source: ETFIQ.

CBOY in plain words

Bitcoin had already risen past this fund's cap of +9.8% for the period on Oct 1, 2026, so in index terms there is no more upside to collect. The fund's price can fall 3.0% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, Bitcoin can fall 26.0% from today's level to the point where the buffer begins. Protection left, in index points: 99.9% of the 99.9% buffer still sits below today's Bitcoin level. 303 days remained on Oct 1, 2026. On Jul 31, 2027 the period ends and a new cap is set.

CBXY in plain words

Bitcoin had already risen past this fund's cap of +23.1% for the period on Oct 1, 2026, so in index terms there is no more upside to collect. The fund's price can fall 17.6% from here before the buffer starts absorbing losses, by the issuer's figure. In index terms, Bitcoin can fall 33.4% from today's level to the point where the buffer begins. Protection left, in index points: 89.9% of the 89.9% buffer still sits below today's Bitcoin level.

Questions people ask

Which resets first, CBOY or CBXY?: CBOY ends its outcome period on Jul 31, 2027 and CBXY on Jul 31, 2027. A new cap is set the day after each.
Which is cheaper, CBOY or CBXY?: CBOY charges 0.69% a year and CBXY charges 0.69%, so CBOY is cheaper. Fees come from each fund's prospectus.

Other comparisons

CBOY vs CBTY CBXY vs CBTY

CBOY on its own →CBXY on its own →How every figure is computed →Standards and sources →

Where these figures came from

CBOY and CBXY filings on SEC EDGAR ↗Calamos website ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement. A comparison is not a recommendation.

Cite this page

ETFIQ, CBOY against CBXY, data as of Oct 1, 2026. https://etfiq.com/compare/buffer/cboy-vs-cbxy

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.